node_builder.Input(inputs);
  return opts.FinalizeBuilder(&node_builder);
}

Node* ArgOp(int index, DataType type, const GraphDefBuilder::Options& opts) {
  return ops::SourceOp("_Arg",
                       opts.WithAttr("T", type).WithAttr("index", index));
}

Node* RetOp(int index, ops::NodeOut a, const GraphDefBuilder::Options& opts) {
  if (opts.HaveError()) return nullptr;

          return errors::InvalidArgument(
              "Invalid \"_handle_dtypes\" attribute value for _Arg node: ",
              shape_attr->DebugString());
        }
        if (shape_attr->list().shape().empty()) {
          return errors::InvalidArgument(
              "Invalid \"_handle_shapes\" attribute value for _Arg node: ",
              shape_attr->DebugString());
        }

//
// The code for parsing this file lives in rulegen.go; this file generates
// ssa/rewritegeneric.go.

// values are specified using the following format:
// (op <type> [auxint] {aux} arg0 arg1 ...)
// the type, aux, and auxint fields are optional
// on the matching side
//  - the type, aux, and auxint fields must match if they are specified.